const mongoose = require('mongoose')
const config = require('.')
const log4js = require('../utils/log4j')

mongoose.connect(config.URL, {})

const db = mongoose.connection

db.on('error', () => {
  log4js.error('数据库连接失败')
})

db.on('open', () => {
  log4js.info('数据库连接成功')
})
